update from pybind11 to my fork

.appveyor.yml

@@ -1,16 +1,35 @@
 version: 1.0.{build}
-os: Visual Studio 2015
+image:
+- Visual Studio 2017
+- Visual Studio 2015
 test: off
+build:
+  parallel: true
 platform:
-- x86
 - x64
+- x86
 environment:
   matrix:
+  - CONDA: 36
+    CPP: 14
   - CONDA: 27
-  - CONDA: 35
+    CPP: 14
+  - CONDA: 36
+    CPP: latest
+matrix:
+  exclude:
+    - image: Visual Studio 2015
+      platform: x86
+    - image: Visual Studio 2015
+      CPP: latest
+    - image: Visual Studio 2017
+      CPP: latest
+      platform: x86
 install:
 - ps: |
     if ($env:PLATFORM -eq "x64") { $env:CMAKE_ARCH = "x64" }
+    if ($env:APPVEYOR_JOB_NAME -like "*Visual Studio 2017*") { $env:CMAKE_GENERATOR = "Visual Studio 15 2017" }
+    else { $env:CMAKE_GENERATOR = "Visual Studio 14 2015" }
     if ($env:PYTHON) {
       if ($env:PLATFORM -eq "x64") { $env:PYTHON = "$env:PYTHON-x64" }
       $env:PATH = "C:\Python$env:PYTHON\;C:\Python$env:PYTHON\Scripts\;$env:PATH"
@@ -20,14 +39,21 @@ install:
       if ($env:CONDA -eq "27") { $env:CONDA = "" }
       if ($env:PLATFORM -eq "x64") { $env:CONDA = "$env:CONDA-x64" }
       $env:PATH = "C:\Miniconda$env:CONDA\;C:\Miniconda$env:CONDA\Scripts\;$env:PATH"
+      $env:PYTHONHOME = "C:\Miniconda$env:CONDA"
       conda install -y -q pytest numpy scipy
     }
 - ps: |
-    Start-FileDownload 'http://bitbucket.org/eigen/eigen/get/3.2.9.zip'
-    7z x 3.2.9.zip -y > $null
-    $env:CMAKE_INCLUDE_PATH = "eigen-eigen-dc6cfdf9bcec"
+    Start-FileDownload 'http://bitbucket.org/eigen/eigen/get/3.3.3.zip'
+    7z x 3.3.3.zip -y > $null
+    $env:CMAKE_INCLUDE_PATH = "eigen-eigen-67e894c6cd8f"
 build_script:
-- cmake -A "%CMAKE_ARCH%" -DPYBIND11_WERROR=ON
+- cmake -G "%CMAKE_GENERATOR%" -A "%CMAKE_ARCH%"
+    -DPYBIND11_CPP_STANDARD=/std:c++%CPP%
+    -DPYBIND11_WERROR=ON
+    -DDOWNLOAD_CATCH=ON
+    -DCMAKE_SUPPRESS_REGENERATION=1
 - set MSBuildLogger="C:\Program Files\AppVeyor\BuildAgent\Appveyor.MSBuildLogger.dll"
-- set PYTEST_ADDOPTS="-s"  # workaround for pytest capture issue, see #351
 - cmake --build . --config Release --target pytest -- /v:m /logger:%MSBuildLogger%
+- cmake --build . --config Release --target cpptest -- /v:m /logger:%MSBuildLogger%
+- cmake --build . --config Release --target test_cmake_build -- /v:m /logger:%MSBuildLogger%
+on_failure: if exist "tests\test_cmake_build" type tests\test_cmake_build\*.log*

.gitignore

@@ -32,3 +32,6 @@ MANIFEST
 /build
 /cmake/
 .cache/
+sosize-*.txt
+pybind11Config*.cmake
+pybind11Targets.cmake

.readthedocs.yml

@@ -0,0 +1,3 @@
+python:
+  version: 3
+requirements_file: docs/requirements.txt

.travis.yml

@@ -1,109 +1,201 @@
 language: cpp
+dist: trusty
 sudo: false
 matrix:
   include:
   - os: linux
     env: PYTHON=2.7 CPP=11 GCC=4.8
     addons:
       apt:
-        sources: [ubuntu-toolchain-r-test, kubuntu-backports]
-        packages: [g++-4.8, cmake]
+        packages: [cmake=2.\*, cmake-data=2.\*]
   - os: linux
-    env: PYTHON=3.5 CPP=11 GCC=4.8
+    env: PYTHON=3.6 CPP=11 GCC=4.8
     addons:
       apt:
-        sources: [ubuntu-toolchain-r-test, kubuntu-backports, deadsnakes]
-        packages: [g++-4.8, cmake, python3.5-dev]
+        sources: [deadsnakes]
+        packages: [python3.6-dev python3.6-venv, cmake=2.\*, cmake-data=2.\*]
   - sudo: true
     services: docker
     env: PYTHON=2.7 CPP=14 GCC=6
   - sudo: true
     services: docker
-    env: PYTHON=3.5 CPP=14 GCC=6
+    env: PYTHON=3.5 CPP=14 GCC=6 DEBUG=1
+  - sudo: true
+    services: docker
+    env: PYTHON=3.5 CPP=17 GCC=7
+  - os: linux
+    env: PYTHON=3.6 CPP=17 CLANG=4.0
+    addons:
+      apt:
+        sources: [deadsnakes, llvm-toolchain-trusty-4.0]
+        packages: [python3.6-dev python3.6-venv clang-4.0 llvm-4.0-dev]
   - os: osx
     osx_image: xcode7.3
     env: PYTHON=2.7 CPP=14 CLANG
   - os: osx
     osx_image: xcode7.3
-    env: PYTHON=3.5 CPP=14 CLANG
-  # A barebones build makes sure everything still works without optional deps (numpy/scipy/eigen)
-  # and also tests the automatic discovery functions in CMake (Python version, C++ standard).
+    env: PYTHON=3.6 CPP=14 CLANG
+  # Test a PyPy 2.7 build
   - os: linux
-    env: BAREBONES
+    env: PYPY=5.7 PYTHON=2.7 CPP=11 GCC=4.8
     addons:
       apt:
-        sources: [ubuntu-toolchain-r-test, kubuntu-backports]
-        packages: [g++-4.8, cmake]
-    install: false
+        packages: [libblas-dev, liblapack-dev, gfortran]
+  - sudo: true
+    services: docker
+    env: ARCH=i386 PYTHON=3.5 CPP=14 GCC=6
+  # This next one does a make install *before* testing, then builds the tests against the installed version:
+  - sudo: true
+    services: docker
+    env: PYTHON=3.5 CPP=14 CLANG=3.9 INSTALL=1
+    script:
+      - |
+        $SCRIPT_RUN_PREFIX sh -c "set -e
+        cmake ${CMAKE_EXTRA_ARGS} -DPYBIND11_INSTALL=1 -DPYBIND11_TEST=0
+        make install
+        cp -a tests /pybind11-tests
+        mkdir /build-tests && cd /build-tests
+        cmake ../pybind11-tests ${CMAKE_EXTRA_ARGS} -DPYBIND11_WERROR=ON
+        make pytest -j 2"
+  # A barebones build makes sure everything still works without optional deps (numpy/scipy/eigen)
+  # and also tests the automatic discovery functions in CMake (Python version, C++ standard).
+  - os: linux
+    env: BAREBONES PYTHON=3.5
+    install: $PY_CMD -m pip install --user --upgrade pytest
   # Documentation build:
   - os: linux
     language: docs
-    env: DOCS
-    install: pip install sphinx sphinx_rtd_theme
-    script: make -C docs html SPHINX_OPTIONS=-W
+    env: DOCS STYLE LINT
+    install:
+    - export PATH="~/.local/bin:$PATH"
+    - $PY_CMD -m pip install --user --upgrade sphinx sphinx_rtd_theme breathe flake8 pep8-naming
+    - |
+      curl -fsSL ftp://ftp.stack.nl/pub/users/dimitri/doxygen-1.8.12.linux.bin.tar.gz | tar xz
+      export PATH="$PWD/doxygen-1.8.12/bin:$PATH"
+    script:
+    - make -C docs html SPHINX_OPTIONS=-W
+    - tools/check-style.sh
+    - flake8
+  allow_failures:
+    - env: PYTHON=3.5 CPP=17 GCC=7
 cache:
   directories:
-  - $HOME/.cache/pip
-  - $HOME/Library/Caches/pip
+  - $HOME/.local/bin
+  - $HOME/.local/lib
+  - $HOME/.local/include
+  - $HOME/Library/Python
 before_install:
 - |
   # Configure build variables
   if [ "$TRAVIS_OS_NAME" = "linux" ]; then
-    if [ -z "$GCC" ]; then export GCC=4.8; fi
-    export CXX=g++-$GCC CC=gcc-$GCC;
-    if [ "$GCC" = "6" ]; then export DOCKER=debian:testing CXX=g++ CC=gcc; fi
+    if [ -n "$CLANG" ]; then
+      export CXX=clang++-$CLANG CC=clang-$CLANG
+      COMPILER_PACKAGES="clang-$CLANG llvm-$CLANG-dev"
+    else
+      if [ -z "$GCC" ]; then GCC=4.8
+      else COMPILER_PACKAGES=g++-$GCC
+      fi
+      export CXX=g++-$GCC CC=gcc-$GCC
+    fi
+    if [ "$GCC" = "6" ] || [ "$CLANG" = "3.9" ]; then DOCKER=${ARCH:+$ARCH/}debian:testing
+    elif [ "$GCC" = "7" ]; then DOCKER=debian:experimental APT_GET_EXTRA="-t experimental"
+    fi
   elif [ "$TRAVIS_OS_NAME" = "osx" ]; then
     export CXX=clang++ CC=clang;
   fi
-  if [ -n "$CPP" ]; then export CPP=-std=c++$CPP; fi
-  if [ "${PYTHON:0:1}" = "3" ]; then export PY=3; fi
+  if [ -n "$CPP" ]; then CPP=-std=c++$CPP; fi
+  if [ "${PYTHON:0:1}" = "3" ]; then PY=3; fi
+  if [ -n "$DEBUG" ]; then CMAKE_EXTRA_ARGS="${CMAKE_EXTRA_ARGS} -DCMAKE_BUILD_TYPE=Debug"; fi
 - |
-  # Initialize enviornment
+  # Initialize environment
+  set -e
   if [ -n "$DOCKER" ]; then
     docker pull $DOCKER
-    export containerid=$(docker run --detach --tty \
+
+    containerid=$(docker run --detach --tty \
       --volume="$PWD":/pybind11 --workdir=/pybind11 \
       --env="CC=$CC" --env="CXX=$CXX" --env="DEBIAN_FRONTEND=$DEBIAN_FRONTEND" \
       --env=GCC_COLORS=\  \
       $DOCKER)
-    docker exec --tty "$containerid" apt-get update
-    docker exec --tty "$containerid" apt-get -y upgrade
-    export SCRIPT_RUN_PREFIX="docker exec --tty $containerid"
+    SCRIPT_RUN_PREFIX="docker exec --tty $containerid"
+    $SCRIPT_RUN_PREFIX sh -c 'for s in 0 15; do sleep $s; apt-get update && apt-get -qy dist-upgrade && break; done'
   else
-    if [ "$TRAVIS_OS_NAME" = "linux" ]; then
-      pip install --user --upgrade pip virtualenv
-      virtualenv -p python$PYTHON venv
-    elif [ "$TRAVIS_OS_NAME" = "osx" ]; then
-      if [ "$PY" = "3" ]; then
-        brew update; brew install python$PY;
-      else
-        curl -fsSL -O https://bootstrap.pypa.io/get-pip.py
-        sudo -H python get-pip.py
+    if [ "$PYPY" = "5.7" ]; then
+      curl -fSL https://bitbucket.org/pypy/pypy/downloads/pypy2-v5.7.1-linux64.tar.bz2 | tar xj
+      PY_CMD=$(echo `pwd`/pypy2-v5.7.1-linux64/bin/pypy)
+      CMAKE_EXTRA_ARGS="${CMAKE_EXTRA_ARGS} -DPYTHON_EXECUTABLE:FILEPATH=$PY_CMD"
+    else
+      PY_CMD=python$PYTHON
+      if [ "$TRAVIS_OS_NAME" = "osx" ]; then
+        if [ "$PY" = "3" ]; then
+          brew update; brew install python$PY;
+        else
+          curl -fsSL https://bootstrap.pypa.io/get-pip.py | $PY_CMD - --user
+        fi
       fi
-      pip$PY install --user --upgrade pip virtualenv
-      python$PY -m virtualenv venv
     fi
-    source venv/bin/activate
+    if [ "$PY" = 3 ] || [ -n "$PYPY" ]; then
+      $PY_CMD -m ensurepip --user
+    fi
+    $PY_CMD -m pip install --user --upgrade pip wheel
   fi
+  set +e
 install:
 - |
   # Install dependencies
+  set -e
   if [ -n "$DOCKER" ]; then
-    docker exec --tty "$containerid" apt-get -y --no-install-recommends install \
-      python$PYTHON-dev python$PY-pip python$PY-setuptools python$PY-scipy \
-      libeigen3-dev cmake make g++
+    if [ -n "$DEBUG" ]; then
+      PY_DEBUG="python$PY-dbg python$PY-scipy-dbg"
+      CMAKE_EXTRA_ARGS="${CMAKE_EXTRA_ARGS} -DPYTHON_EXECUTABLE=/usr/bin/python${PYTHON}dm"
+    fi
+    $SCRIPT_RUN_PREFIX sh -c "for s in 0 15; do sleep \$s; \
+      apt-get -qy --no-install-recommends $APT_GET_EXTRA install \
+        $PY_DEBUG python$PY-dev python$PY-pytest python$PY-scipy \
+        libeigen3-dev cmake make ${COMPILER_PACKAGES} && break; done"
   else
-    pip install numpy scipy
 
-    wget -q -O eigen.tar.gz https://bitbucket.org/eigen/eigen/get/3.2.9.tar.gz
+    if [ "$CLANG" = "4.0" ]; then
+      if ! [ -d ~/.local/include/c++/v1 ]; then
+        # Neither debian nor llvm provide a libc++ 4.0 deb; luckily it's fairly quick
+        # to build, install (and cache), so do it ourselves:
+        git clone --depth=1 https://github.com/llvm-mirror/llvm.git llvm-source
+        git clone https://github.com/llvm-mirror/libcxx.git llvm-source/projects/libcxx -b release_40
+        git clone https://github.com/llvm-mirror/libcxxabi.git llvm-source/projects/libcxxabi -b release_40
+        mkdir llvm-build && cd llvm-build
+        # Building llvm requires a newer cmake than is provided by the trusty container:
+        CMAKE=cmake-3.8.0-Linux-x86_64
+        curl https://cmake.org/files/v3.8/$CMAKE.tar.gz | tar xz
+        ./$CMAKE/bin/cmake -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=~/.local ../llvm-source
+        make -j2 install-cxxabi install-cxx
+        cp -a include/c++/v1/*cxxabi*.h ~/.local/include/c++/v1
+        cd ..
+      fi
+      export CXXFLAGS="-isystem $HOME/.local/include/c++/v1 -stdlib=libc++"
+      export LDFLAGS="-L$HOME/.local/lib"
+      export LD_LIBRARY_PATH="$HOME/.local/lib${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH}"
+      if [ "$CPP" = "-std=c++17" ]; then CPP="-std=c++1z"; fi
+    fi
+
+    export NPY_NUM_BUILD_JOBS=2
+    echo "Installing pytest, numpy, scipy..."
+    ${PYPY:+travis_wait 30} $PY_CMD -m pip install --user --upgrade --quiet pytest numpy scipy
+    echo "done."
+
+    wget -q -O eigen.tar.gz https://bitbucket.org/eigen/eigen/get/3.3.3.tar.gz
     tar xzf eigen.tar.gz
-    export CMAKE_EXTRA_ARGS="${CMAKE_EXTRA_ARGS} -DCMAKE_INCLUDE_PATH=$PWD/eigen-eigen-dc6cfdf9bcec"
+    export CMAKE_INCLUDE_PATH="${CMAKE_INCLUDE_PATH:+:}$PWD/eigen-eigen-67e894c6cd8f"
   fi
+  set +e
 script:
 - $SCRIPT_RUN_PREFIX cmake ${CMAKE_EXTRA_ARGS}
     -DPYBIND11_PYTHON_VERSION=$PYTHON
     -DPYBIND11_CPP_STANDARD=$CPP
-    -DPYBIND11_WERROR=ON
+    -DPYBIND11_WERROR=${WERROR:-ON}
+    -DDOWNLOAD_CATCH=ON
 - $SCRIPT_RUN_PREFIX make pytest -j 2
+- $SCRIPT_RUN_PREFIX make cpptest -j 2
+- $SCRIPT_RUN_PREFIX make test_cmake_build
+after_failure: cat tests/test_cmake_build/*.log*
 after_script:
 - if [ -n "$DOCKER" ]; then docker stop "$containerid"; docker rm "$containerid"; fi